JPH0311869B2 - - Google Patents
Info
- Publication number
- JPH0311869B2 JPH0311869B2 JP30329786A JP30329786A JPH0311869B2 JP H0311869 B2 JPH0311869 B2 JP H0311869B2 JP 30329786 A JP30329786 A JP 30329786A JP 30329786 A JP30329786 A JP 30329786A JP H0311869 B2 JPH0311869 B2 JP H0311869B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- cutting
- processed
- slit
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005520 cutting process Methods 0.000 claims description 72
- 238000000034 method Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 6
- 210000001015 abdomen Anatomy 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003672 processing method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30329786A JPS63157730A (ja) | 1986-12-19 | 1986-12-19 | パイプのスリツト加工方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30329786A JPS63157730A (ja) | 1986-12-19 | 1986-12-19 | パイプのスリツト加工方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63157730A JPS63157730A (ja) | 1988-06-30 |
| JPH0311869B2 true JPH0311869B2 (enrdf_load_stackoverflow) | 1991-02-18 |
Family
ID=17919256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30329786A Granted JPS63157730A (ja) | 1986-12-19 | 1986-12-19 | パイプのスリツト加工方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63157730A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0443464U (enrdf_load_stackoverflow) * | 1990-08-09 | 1992-04-13 | ||
| JPH0783941B2 (ja) * | 1991-12-24 | 1995-09-13 | 正 小栗 | 鉄骨建築用角パイプ、又はコラム材のｕ形切込み治具 |
| CN104259301B (zh) * | 2014-09-11 | 2017-04-05 | 李有强 | 一种冲孔一体机床 |
-
1986
- 1986-12-19 JP JP30329786A patent/JPS63157730A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63157730A (ja) | 1988-06-30 |
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